L-Tryptophan, 1-[(1,1-dimethylethoxy)carbonyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 2-carboxy-2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl ester CAS 944283-24-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 944283-24-3 |
| Molecular Formula | C39H43N3O10 |
| Molecular Weight | 713.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
L-Tryptophan, 1-[(1,1-dimethylethoxy)carbonyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 2-carboxy-2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl ester (CAS 944283-24-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C39H43N3O10. Molecular weight: 713.77 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C39H43N3O10 |
| Molecular Weight | 713.77 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related L Standards
- Tryptophan Impurity 49 (CAS CATO-C4X-137349)
- Tryptophan Impurity 10 (CAS 84771-20-0)
- Tryptophan impurity 37 (CAS CATO-C4X-137337)
- Tryptophan EP Impurity A (CAS 132685-02-0)
- Tryptophan Impurity 52 (CAS CATO-C4X-137352)
- Tryptophan impurity 39 (CAS CATO-C4X-137339)
- Tryptophan impurity 40 (CAS CATO-C4X-137340)
- Tryptophan EP Impurity J (CAS 164068-19-3)
Recommended Standards
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